214431461 has 4 divisors (see below), whose sum is σ = 223754592. Its totient is φ = 205108332.

The previous prime is 214431389. The next prime is 214431479. The reversal of 214431461 is 164134412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214431461 - 2¹⁴ = 214415077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214431461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214431491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4661531 + ... + 4661576.

It is an arithmetic number, because the mean of its divisors is an integer number (55938648).

Almost surely, 2^214431461 is an apocalyptic number.

It is an amenable number.

214431461 is a deficient number, since it is larger than the sum of its proper divisors (9323131).

214431461 is an equidigital number, since it uses as much as digits as its factorization.

214431461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323130.

The product of its digits is 2304, while the sum is 26.

The square root of 214431461 is about 14643.4784460524. The cubic root of 214431461 is about 598.5441192836.

Adding to 214431461 its reverse (164134412), we get a palindrome (378565873).

The spelling of 214431461 in words is "two hundred fourteen million, four hundred thirty-one thousand, four hundred sixty-one".